WASHINGTON, DC - MARCH 24: Members of the family of former U.S. Sen. Markwayne Mullin (R-OK) look on duirng a ceremony swearing him in as the next secretary of the Department of Homeland Security in the Oval Office at the White House on March 24, 2026 in Washington, DC. Mullin takes the helm of DHS during a challenging time as it has been partially shut down since February 14 while lawmakers negotiate reforms for Immigration and Customs Enforcement. (Photo by Chip Somodevilla/Getty Images)

US President Donald Trump shakes hands with the newly sworn in Secretary of Homeland Security Markwayne Mullin in the Oval Office of the White House in Washington, DC, on March 24, 2026. The US Senate on Monday confirmed Mullin as the new chief of the Department of Homeland Security (DHS), the agency reeling from a partial government shutdown as it works to enforce President Donald Trump's immigration crackdown. (Photo by Jim WATSON / AFP via Getty Images)

US President Donald Trump (L) applauds after Attorney General Pam Bondi (2L) swore in the new Secretary of Homeland Security Markwayne Mullin (2R), alongside Mullin's wife Christine Mullin (R), in the Oval Office of the White House in Washington, DC, on March 24, 2026. The US Senate on Monday confirmed Mullin as the new chief of the Department of Homeland Security (DHS), the agency reeling from a partial government shutdown as it works to enforce President Donald Trump's immigration crackdown. (Photo by Jim WATSON / AFP via Getty Images)

US President Donald Trump (L) looks on as Attorney General Pam Bondi swears in the new Secretary of Homeland Security Markwayne Mullin, alongside Mullin's wife Christine Mullin, in the Oval Office of the White House in Washington, DC, on March 24, 2026. The US Senate on Monday confirmed Mullin as the new chief of the Department of Homeland Security (DHS), the agency reeling from a partial government shutdown as it works to enforce President Donald Trump's immigration crackdown. (Photo by Jim WATSON / AFP via Getty Images)

US President Donald Trump shakes hands with the newly sworn in Secretary of Homeland Security Markwayne Mullin in the Oval Office of the White House in Washington, DC, on March 24, 2026. The US Senate on Monday confirmed Mullin as the new chief of the Department of Homeland Security (DHS), the agency reeling from a partial government shutdown as it works to enforce President Donald Trump's immigration crackdown. (Photo by Jim WATSON / AFP via Getty Images)

US President Donald Trump speaks before the swearing in of the new Homeland Security Secretary Markwayne Mullin in the Oval Office of the White House in Washington, DC, on March 24, 2026. The US Senate on Monday confirmed Mullin as the new chief of the Department of Homeland Security (DHS), the agency reeling from a partial government shutdown as it works to enforce President Donald Trump's immigration crackdown. (Photo by Jim WATSON / AFP via Getty Images)

US President Donald Trump speaks before the swearing in of the new Homeland Security Secretary Markwayne Mullin (3rd R) as his wife Chritine Mullin (2nd R) and Attorney General Pam Bondi (R) look on in the Oval Office of the White House in Washington, DC, on March 24, 2026. The US Senate on Monday confirmed Mullin as the new chief of the Department of Homeland Security (DHS), the agency reeling from a partial government shutdown as it works to enforce President Donald Trump's immigration crackdown. (Photo by Jim WATSON / AFP via Getty Images)

(L/R) US Secretary of Defense Pete Hegseth and White House 'border czar' Tom Homan listen as US President Donald Trump (out of frame) speaks during a swearing in ceremony for new Secretary of Homeland Security Markwayne Mullin in the Oval Office of the White House in Washington, DC, on March 24, 2026. The US Senate on Monday confirmed Mullin as the new chief of the Department of Homeland Security (DHS), the agency reeling from a partial government shutdown as it works to enforce President Donald Trump's immigration crackdown. (Photo by Jim WATSON / AFP via Getty Images)